* {
    margin: 0%;
    padding: 0%;
}

.container {
    width: 800px;
    height: 1400px;
    background-color: rgb(230, 212, 205);
    margin: 0px auto;
    overflow: hidden;
}

.bk {
    width: 80px;
    height: 30px;
    background-color: black;
    text-align: center;
    padding-top: 5px;
    margin-top: 8px;
}

header a {
    color: white;
    text-decoration: none;
    line-height: 10px;
}

.sc {
    width: 800px;
    height: 280px;
    background-color: rgb(151, 53, 35);
    padding-left: 40px;
    padding-top: 50px;
}

.A {
    width: 300px;
    height: 500px;
    margin-left: 70px;
    margin-top: 60px;
    margin-right: 0;
}

.B {
    width: 270px;
    height: 350px;
    position: absolute;
    top: 395px;
    left: 830px;
}

.C {
    width: 300px;
    height: 350px;
    margin-left: 70px;
}

.D {
    width: 300px;
    height: 350px;
    position: absolute;
    top: 890px;
    left: 830px;
}